In 2018, LEGO released 4 Ideas sets in the subtheme Licensed, all of these sets have been retired. For that year, the total price of all retail sets cost $355, today those sets are valued around $925, a growth of 161%.
Most valuable 2018 LEGO Ideas set
21311 Voltron $493.60
Highest growth 2018 Ideas set
21314 TRON Legacy +414.43%
Most owned 2018 Ideas set
21313 Ship in a Bottle
4 sets

21311 Voltron

Theme / Subtheme Ideas / Licensed
Year 2018
Pieces 2,321
Availability Retired
21311 LEGO Ideas Voltron
Retail $179.99
Value $493.60
Growth  +174.2%
Annual growth 16.3%

21313 Ship in a Bottle

Theme Ideas
Year 2018
Pieces 962
Availability Retired
21313 LEGO Ideas Ship in a Bottle
Retail $69.99
Value $153.60
Growth  +119.5%
Annual growth 12.6%

21314 TRON Legacy

Theme / Subtheme Ideas / Licensed
Year 2018
Pieces / Minifigs 230 / 3
Availability Retired
21314 LEGO Ideas TRON Legacy
Retail $34.99
Value $180.00
Growth  +414.4%
Annual growth 27.7%

21315 Pop-Up Book

Theme Ideas
Year 2018
Pieces / Minifigs 859 / 5
Availability Retired
21315 LEGO Ideas Pop-Up Book
Retail $69.99
Value $97.88
Growth  +39.8%
Annual growth 7.1%